Home / 577,368,011.40-866,052,017.10-168,424,161.90

Finding the Fourth Proportional to 577,368,011.40, 866,052,017.10 and 168,424,161.90

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Solution

The fourth proportional to 577,368,011.40, 866,052,017.10 and 168,424,161.90 is: 252,636,242.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,368,011.40 : 866,052,017.10 = 168,424,161.90 : x
  2. Step 2: Convert to fraction form
    577,368,011.40/866,052,017.10 = 168,424,161.90/x
  3. Step 3: Cross multiply
    577,368,011.40x = 866,052,017.10 × 168,424,161.90
  4. Step 4: Simplify right side
    577,368,011.40x = 145,864,085,141,871,968
  5. Step 5: Solve for x
    x = 145,864,085,141,871,968/577,368,011.40
  6. Step 6: Final answer
    x = 252,636,242.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.